Finding the Third Proportional to 13,873.78 and 21,254.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,873.78 : 21,254.91 = 21,254.91 : x
2. Step 2: Convert to fraction form
   13,873.78/21,254.91 = 21,254.91/x
3. Step 3: Cross multiply
   13,873.78x = 21,254.91 × 21,254.91
4. Step 4: Simplify right side
   13,873.78x = 451,771,039.70
5. Step 5: Solve for x
   x = 451,771,039.70/13,873.78
6. Step 6: Final answer
   x = 32,562.94